Sara Jaye Weiss/Startraks
11/01/2007 AT 03:00 PM EDT
The stars stepped out this year in their Halloween best (See Britney, Christina and more in our photo gallery
) but we'd like to single out some choice selections from Chloe Sevigny and Josh Harnett. Both partied at an Imperia Vodka/Vmagazine.com bash at New York's Gramercy Park Hotel sporting some questionable looks – possibly as a hipster Joan of Arc and Bob Dylan, respectively. Whose costume is weirdest? Click here to take our poll.–Brian Orloff
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